With our country entering an aging society, ______ the retirement age is probably unavoidable.
#88616
A
having delayed
B
delaying
C
being delayed
D
to be delayed
推荐题目
______ a family of chimps wake up is our first activity of the day.
#94443
A
Watch
B
Watching
C
Watched
D
Being watched
 While ________ the street, he was hit by a car.
#96738
A
crossing
B
cross
C
crossed
D
to cross
—They are quiet, aren’t they? —Yes. They are accustomed ______ at meals.
#96796
A
to talk
B
to not talk
C
to talking
D
to not talking